Charging unit



FIG. 1 is a front, top, and right side perspective view of a charging unit;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a front, top, and right side perspective view thereof showing the charging unit in an open state.

The broken lines in the drawings depict portions of the charging unit that form no part of the claimed design. 

CLAIM The ornamental design for a charging unit, as shown and described. 